Home / 856,532.89-1,182,015.22-512,383.33

Finding the Fourth Proportional to 856,532.89, 1,182,015.22 and 512,383.33

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Solution

The fourth proportional to 856,532.89, 1,182,015.22 and 512,383.33 is: 707,088.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,532.89 : 1,182,015.22 = 512,383.33 : x
  2. Step 2: Convert to fraction form
    856,532.89/1,182,015.22 = 512,383.33/x
  3. Step 3: Cross multiply
    856,532.89x = 1,182,015.22 × 512,383.33
  4. Step 4: Simplify right side
    856,532.89x = 605,644,889,042.73
  5. Step 5: Solve for x
    x = 605,644,889,042.73/856,532.89
  6. Step 6: Final answer
    x = 707,088.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.